旱境土 的英文怎麼說
中文拼音 [hànjìngtǔ]
旱境土
英文
arid soil-
The dissertion, after introducing physical geography situation and societal economic sitiuation of chongqing, has also analysed the basic feature of water resources in chongqing, at present the water resources utilization in chongqing is still in traditional phase. there are so many faults and shortcomings in water resources management system. the construction of water resources institutions and regulations is fallen behind. the supply of water resoures has not sufficiently satisfied the demand to water resources. the condition of water quality has not radically improved. soil losses is still serious. the incidence of flood and drought is very high. in accordance with present condition of water resources utilization in chongqing, the dissertion argues that it should strengthen people ' s understanding to water resources sustainable utilization for chongqing ; reform the present water rexources management system and have a try on water affairs management system in chongqing ; make effort to construction of water resources " institutions and regulations ; realize demand management, constuct save - water model society ; according to actual condition, strength water utilization constrution, then realize the balance between water resources supply and demand ; according to the idea of " control resources, conduct flow ", control water pollution, realize sanitary generation ; control soil losses and protect water enviroment ; construc t the system of flood control and diaster prevent
在對重慶市的自然地理情況和社會經濟情況作了介紹之後,還分析了重慶市水資源的基本特徵,目前重慶市的水資源利用還處在傳統的開發利用階段,水資源管理體制還存在許多弊端,水的法規制度建設也相對落後,水的供給還不能完全滿足需求,水質狀況沒有得到根本性的改善,水土流失還很嚴重,水旱災害發生的頻率比較高。針對重慶市水資源利用的現狀,本文提出:應加強對水資源持續利用的認識;改革目前重慶市的水管理體制,嘗試水務局管理體制,相應加強水的法規和制度建設,實現需水管理,建立節水型社會;根據實際情況,加強水利建設,實現水的供需平衡;依據「控源導流」的思想控制水污染,實現清潔生產;治理水土流失,保護水環境;建設防洪減災體系。Then, main projects and synthetic techniques of ecological agriculture construction are discussed. the results indicate that main projects include fertile soil project, water conservancy, forestation and virescence project, agricultural structure adjustment project, agriculture industrialization project, integrated use of agriculture rejectamenta project, high quality and innoxious farm produce project, livestock breeding project, sight - seeing agriculture project, etc. the suited techniques include ecology location scheme technique, agriculture rejectamenta use technique, energy source regeneration technique, sewage biologic depuration technique, innoxious farm produce technique, soil fertility increase technique, ecological control technique of plant disease and insect pests, economizing water technique of dry farming, agriculture environment reconstruction technique, etc. lastly the study brings forward the countermeasure and advice of ecological agriculture development
根據我國生態農業建設成功經驗和濟南市目前生態農業建設基礎,提出濟南市生態農業建設重點工程為沃土工程、農田水利工程、造林綠化工程、農業結構調整工程、農業產業化工程、農業廢棄物綜合利用工程、優質和無公害農產品工程、養殖工程、觀光農業工程等;生態農業建設的關鍵技術為生態位配置技術、農業廢棄物資源化綠色技術、能源再生技術、污水生物凈化利用技術、無公害農產品技術、地力持續培肥利用技術、農作物病蟲草害生態控制技術、旱作農業高效節水技術及農業生態環境綜合整治技術等。As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability
龍須草能改善紫色土荒坡地的小生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的含量;增加土壤含水量和貯水量,減緩和減少土壤的水分蒸發,增強土壤的抗旱能力;降低土壤盛夏的地表最高溫度,減少地表溫度變化幅度。Indicatory function of soil moisture of undergrowth vegetations in the robinia pseudoacacia forests with different densities in semi - arid region on the loess plateaus
林下植被對半乾旱區不同密度刺槐林地土壤水分環境的指示作用Effect of straw cover on wheat yield and soil environment in dry land field
稻草覆蓋對旱地小麥產量與土壤環境的影響The studies on the effects of temperature and soil water content for the number of oribatida and collembola were made. the results indicate that there are some effects for the number of oribatida and collembola. the difference on the most preferred temperature and soil water content for the growth of oribatida and collembola is not obvious. the preferred temperature is about 24. the preferred water content is about 16 %. the toleration on low temperature and drought for oribatida obviously is capable than that for collembola
對不同溫度和土壤含水量甲蟎和跳蟲數量的關系進行了實驗觀察.結果表明,溫度和土壤含水量對土壤甲蟎和跳蟲的數量變動均具有一定的影響.甲蟎和跳蟲生長的最適溫、濕度差異不明顯,最適溫度約在24左右,最適濕度約為16 %的含水量.甲蟎耐受低溫、乾旱環境的能力明顯大於跳蟲Desertization, land degradation in arid, semi - arid and dry sub - humid area, is one of the environmental problems concerned by human society. it has a direct relationship with the existence and development of mankind
沙漠化即發生在乾旱、半乾旱及半濕潤乾旱地區的土地退化,是人類社會普遍關注的環境問題之一,與人類自身的生存和發展有著直接的關系。In the area of watershed between the yangtze river and the huaihe river, there are a series of ecological environmental issues, such as fragile forest ecosystem, frequent drought damage, lake of water resources, serious soil and water loss and contamination by chemical fertilizer, pesticide and plastic membrane
摘要分析了江淮分水嶺地區存在的森林生態系統脆弱,易旱多災,水資源短缺,土壤貧瘠,礦山開采過度,水土流水嚴重,化肥、農藥、農膜等農業化學品污染嚴重,農村生態環境退化等生態環境問題。It is reasonable to make use of the sloping fields path the flow, and suppress this kind of malignant situation, and realize the agriculture efficiently use the water and then become the region ' s ecosystem environment developments with the important mission that the agriculture produce to moderate to develop
隨著西部大開發和山區節水工程的實施,乾旱缺水與水土流失已成為影響寧夏南部山區經濟可持續發展的最大障礙。合理利用坡地徑流,遏制這種惡性局面,實現農業高效用水就成為該地區生態環境建設和農業生產協調發展的重要任務。As for western mountainous area of beijing, the key factor of survival lies in whether it can stand the drought environment factors, such as less rainfall, higher air temperature, lower humidity and less soil water, etc
就北京西部山區而言,林分存活與否的關鍵在於其是否能夠經受住春季降雨少、氣溫高、濕度低、土壤殘留水分少等乾旱環境的考驗。In order to make the agriculture and rural economy of this area keep on fast, persistent and stable developing, it must be on the basis of controlling soil erosion and improving eco - environment, and on the advanced science and technology to combine enhancing yields of main farm product with increasing peasant ' s incomes, to support resource exploitation, and to raise technical level of agriculture industry
從渭北旱原資源開發歷史和經驗中可得出,該區域實現農業和農村經濟持續發展的途徑和措施是:以提高水資源利用效率為中心,以挖掘資源潛力、充分發揮資源優勢為基礎,以科技進步為先導,著力提高農業產業技術水平,以控制水土流失、改善生態環境為前提,把增加重要農產品產量與增加農民收入統一起來。There is no precedent to model land use and land cover change of arid region in china. and zhangye city located in the transition of three physical geographical region of china, is the significant part of north - west arid region, which is the sensitive area and zoological brittle zone. the evolutive process and mechanism of land cover change law is different from east region
國內對乾旱區土地利用覆蓋變化模擬的研究尚無先例,且張掖市是我國西北乾旱區的重要組成部分,處在我國三大自然地理區的過渡位置,為環境演化的敏感區和生態脆弱帶,土地覆蓋的演化過程和機制有其不同於東部地區的特殊規律,所以張掖市土地利用覆蓋變化模擬的研究對乾旱區現代環境變化的人為影響研究有著極為重要的理論和實際意義。The paper consists of five sections : ( 1 ) introduction ; ( 2 ) the current situation, advantages and disadvantages of gaoqiao region ' s agricultural economy development ; ( 3 ) the leading industry of gaoqiao region ' s agricultural economy development : grass - animal industry ; ( 4 ) the strategy choice for grass - animal ecological agriculture pattern of gaoqiao region ; ( 5 ) the guarantee measures of gaoqiao region ' s grass - animal ecological agriculture pattern
高橋試區農業經濟發展的劣勢有: ( 1 )水土流失嚴重,土地瘠薄,生態環境惡劣; ( 2 )水資源貧乏,氣候乾旱,極大限制了農作物的生長潛力; ( 3 )文化教育事業落後,科技人才奇缺,群眾文化水平低; ( 4 )經濟基礎薄弱,農業投入嚴重不足; ( 5 )交通不便,信息閉塞,市場狹小,商品經濟落後; ( 6 )產業結構單一,小生產與大市場相悖。Landforms, soil, climate and characteristics of distribution in time and space in ningxia of draughts, disasters caused by wind and sand, floods and waterlodgging caused by hail, frost injury and earthquakes. the eighth chapter is on the relationships of environmental changing and the development of the agriculture and livestock husbandry in ningxia autonomous region which covers two sections : namely the historical processes of the human activities and the changing of the forests in ningxia, and the human activities and spreading of the deserts. the ninth chapter is a chapter that studies the regional divergence of the productivity level and the experiences and lessons of the development of agriculture and livestock husbandry
下篇是寧夏農牧業發展等因素與環境變遷的關系,這又包括三章:第七章是農牧業發展的自然條件,即地貌、土壤、氣候,以及歷史時期寧夏旱災、風沙災害、水澇災害、雹災、霜凍災害、地震災害的時空分佈特徵;第八章是寧夏農牧業發展等因素與環境變遷的關系,這包括人類活動與寧夏森林的變遷、人類活動與寧夏土地沙漠化的歷史演進兩部分;第九章是寧夏南、北農牧業生產力水平的地區差異及農牧業開發的經驗教訓。The mission of the conservation and production research laboratory is to 1 ) develop improved water management methods and irrigation technology for sustaining or enhancing crop productivity, improving water use efficiency, reducing ground water use, and enhancing water and soil quality ; 2 ) develop management practices that optimize the use of water, soil, climatic, and nutrient resources for economically and environmentally sustainable crop and livestock production systems under dryland and limited - irrigation conditions ; 3 ) develop systems for utilizing renewable energy sources ( wind, solar, and biofuels ) for pumping irrigation, livestock, and farmstead water and generating electric power ; 4 ) develop regimens that reduce environmental risks posed by accumulations of feedlot wastes by reducing the phosphorus content, improving nutrient utilization, and applying manure to grasslands
描述:美國農業部保持與生產研究實驗室的主要任務是: 1 .開發水資源管理方案或灌溉技術,提高用水效率,減少地下水使用,改善土壤和水質; 2 .使水資源、土壤資源、氣候和養分資源達到最優化,以保證在乾旱和灌溉條件有限的地區種植業和畜牧業能可持續發展; 3 .開發可再生能源用於灌溉、畜牧飼養和發電; 4 .通過減少磷成分,降低飼養場廢棄物的環境風險,將其施用於牧草地,提高養分利用率。Growing in saline or alkaline lands, and dry or semi - dry areas, some species are highly adaptable to coldness, dryness and saline or alkaline lands
由於賴草屬植物常生長在鹽堿地和乾旱半乾旱的山坡、地埂,該屬植物的有些物種對寒冷、乾旱、鹽堿土等不良環境具有高度的適應性。Experimental research, demonstration and extension conducted by china, as well as many years of practice in canada, have shown that the development of conservation agriculture can reduce water and soil erosion, reduce dust, resist drought, save water, increase the soil fertility and increase the efficiency
中國開展的試驗研究示範推廣和加拿大多年的生產實踐證明,發展保護性耕作,可以減少水土流失抑制揚塵抗旱節水增肥地力節本增效,達到保護農田與生態環境的可持續發展目標。Degeneracy of water, soil and organism has shook the economic foundations of dry agriculture and nomadic industry and affected the social development of xian zhou and western zhou dynasty
環境的惡化導致了水土資源的退化,大大動搖了旱作農業和遊牧業的經濟基礎,影響著先周和西周社會的發展。By analyzing the temperature, the quantity of heat, water conservancy, sunshine of the area of centrac zhejiang, and the corresponding relations between soil environment of dry - land and complete growth time of spring corn, we advance the appropriate measures
摘要通過對浙中地區的溫度、熱量、水利、日照以及旱地土壤環境與春玉米生長全生育期對應關系的分析,提出了應用廣積土雜肥、增施有機肥、合理施用?性肥料、改善供水條件。Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource
本研究針對當前在氣候乾旱化和人類活動的共同影響下青海省生態環境中氣候異常事件即氣象災害頻繁發生、草場退化、土地沙化、冰川萎縮、湖泊水位下降和河流流量減少等生態環境退化現象日益嚴重的實際,在廣泛收集和整理青海省氣候、水資源、草地資源等生態環境因子基礎資料的基礎上,對青海的主要氣候要素、地表徑流、水資源、植被的演替及其相互間的關系等主要生態環境變化特徵進行了基礎性的研究。分享友人